Do extension builders near me need insurance?

While it isn’t a legal requirement, most builders carry public liability insurance to cover accidental damage or injury during work. Always ask to see proof of insurance before agreeing to a project.

Do local extension builders offer guarantees on their work?

Yes, many local home extension builders in your area should provide a guarantee covering their workmanship for a set period, often lasting several months to a few years depending on the project size. Always check what the guarantee covers before work begins.

What should I ask before hiring an extension builder?

Ask about previous work, project timelines, cost estimates, and payment terms. It’s also wise to discuss materials, planning permissions, and how any unforeseen issues will be handled. You can easily view examples of previous projects of extension builders near you on MyBuilder.

How much deposit should I pay for an extension project?

Deposits usually range from 10% to 20% of the total cost. Make sure the payment schedule, scope of work, and conditions are clearly written into a contract before the extension project starts.

Local Extension Builders: Find Extension Builders Near Me

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.4 (288 reviews)

Some of our top rated extension builders

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Power Design and Build Ltd
Rating: 5 out of 5
We offer a full service from concept-design to sign-off. Due to our unique experience and qualifications, we provide a full in-house service covering all aspects of your project so you only deal with one company from start to finish. We also provide planning drawings and structural engineering calculations. Our strength lies in working to make your project as efficient as possible so buildabilty, cost and programme are considered on the outset.
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Latest review:
Extensions- 31 Aug 2020
Brendan, Jan & the rest of the team were great. There was total trust on both sides and the attention to detail was to the level I wanted & expected. Communication was straightforward, inclusions & exclusions were clear and I'm delighted with the end product. Would I use the team again? Absolutely.
D-Max Carpentry & Building
Rating: 5 out of 5
We aim to please all customers with high standards of work. Setting such high standards allows us to work from recommendations.
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Latest review:
Extensions- 22 Dec 2015
Excellent builders, polite,caring reliable, we would recommend them to anyone . High standard of workmanship and job finished on time. Very clean and tidy workers. They were brilliant.
p&d building services
Rating: 5 out of 5
We are a professional Building Company,specialising in house extensions, loft conversions,refurbishments,new builds,etc.With over 18 years of working experience in UK,we have gained a good name through hard work,professionally done and a good working relationship with our customers.
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Latest review:
Roofing (Pitched)- 11 Jun 2015
Paul has done a good job quickly with reasonable price.
Eagle Property Development Limited
Rating: 5 out of 5
Our company is a family operated business with Myself Luke and my brother James as directors, we undertake all aspects of the construction industry however we specialise in refurbishments, extensions and finishing. We have undertaken both domestic and commercial works in many areas of the Uk and Channel Islands, Our team have over 150 year experience within construction, we are reliable company who strives to achieve the highest quality of work for the most cost effective price.
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Latest review:
Carpentry- 7 Nov 2019
Useful, helpful and willing so I recommend Luke
vision building and property services ltd
Rating: 5 out of 5
we are a family run bussiness with over ten years in the building trade. we undertake both residential and commercial projects ranging from small repairs, odd jobs and decorating to extensions, shopfitting and residential complex's. we pride ourselves on friendly, time and cost efficient working and we find building a relationship with our customer just as important.
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Latest review:
Handyman- 12 Dec 2018
Very helpful job done in no time a very friendly and helpful young man will be contacting him again for the work In my kitchen
Collyer Construction Ltd
Rating: 5 out of 5
Collyer Construction Ltd are a building contractor based in Fleet, Hampshire and covering areas such as Hook, Farnham, Guildford, Basingstoke and Woking. Professionally managed by the director Chris Collyer who has more than 30 years experience in the construction industry. Our projects typically involve large scale renovations, two storey extensions and new builds. We offer a fully project managed solution, we can advise on architects and can liaise directly with clients or developers.
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Latest review:
Two storey side and rear extension to create large Kitchen/Dining/Family Room, New, Garage, Hot Water and Heating System, Ensuite, Spare Bedroom and Family Bathroom. As first-timers to a house extension project, we’ve been delighted with Collyer Construction. Chris was customer-focused, calm and reassuring throughout and we felt that he always considered the build from our perspective. The site was kept tidy and secure, our neighbours were considered at all times and his team were a pleasure to have around. Most importantly, the build quality and finish was superb and we were on time and to budget. We have no hesitation in recommending them, and have done several times already!
Sight
Rating: 4.6 out of 5
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Latest review:
Loft Conversion- 23 Jun 2022
John did a great job boarding out our loft. He also came back to install a stair banister which looks great. John was very professional and left the place clean and tidy. Would definitely recommend.
Northeast build
Rating: 4.4 out of 5
We are a building and groundwork’s company with 17+ years in the industry. We can provide multiple tasks for both private and commercial costumers.
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Latest review:
Extensions- 6 Oct 2026
I would not recommend North East Build based on my experience with a small porch build and driveway installation. The work took seven weeks, and the quality was poor. After taking a deposit and payment for materials, they did not turn up for two weeks. Attendance throughout the project was sporadic, and, from what I observed, the builder never worked a full day. During the project, a third-party contractor came to my home and threatened to demolish the brickwork, stating that they had not been paid. This was distressing and completely unacceptable. The driveway has since sunk in multiple places, and an internal wall was left partly brick and partly plasterboard because insufficient materials had been ordered. The brickwork contains two different brick colours and inconsistent mortar colours, and the front door fitted was not the one we selected. A substantial snagging list remains unresolved. I am now in the process of taking court action to recover the cost of putting the work right.
Seaview Carpentry & Developments
Rating: 5 out of 5
Our team here at Seaview Carpentry are fully qualified, always willing to give out advice and make sure projects run as smoothly as possible. We pride ourselves on good customer relations, high standards of finish and great organisation. Our works range from hanging doors to cutting roofs, complete renovations extensions to lofts and everything in between. Please feel free to contact us.
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Latest review:
Loft Conversion- 24 Dec 2018
Dan and his team completed our loft conversion very efficiently and we are very happy with the result .we highly recommend his work and although we changed the plans nothing was too much trouble.thank you Jan and Les Hooper.
WF Carpentry
Rating: 5 out of 5
I have over 13 years experience as a carpenter convering all aspects of carpentry at a high quality and reasonable price. NVQ level 3 qualified in carpentry and joinery. Free quotations and happy to look at any work.
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Latest review:
Carpentry- 13 Apr 2021
Very quick and efficient to reply and quote. Job completed within a couple of weeks of job being posted which is a great turnaround for us. Saved Wills details for next time as I will use again.
PH Builders
Rating: 5 out of 5
Bricklaying and general building services , covering new builds , extensions , restorations , alterations and maintenance with over 35 years experience.
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Latest review:
Bricklaying- 1 Sep 2020
Paul,carried out the work efficiently, to a high standard. His building knowledge and ideas improved the final outcome. I would recommend Paul.
Durham Stonemasonry & Restoration
Rating: 5 out of 5
Professional time served Durham Cathedral trained Stonemasons our work is to the highest quality Standards. Before setting up Durham Stonemasonry in 1999, I previously worked at Durham Cathedral for 16 years. Lewis our second stonemason also worked at The York Minister for 5 years then 19 years at Durham Cathedral. Carl our third stonemason was trained by myself and Lewis with 3 years at York college There is only 3 of us in our team who are qualified Stonemasons, to the highest standards.
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Latest review:
Stonemasonry- 2 Dec 2020
Fire damaged stonework above an electricity meter box and around a kitchen window. An awkward job but DSR were able to rise to the challenge. They turned up when they said they would so the job could interface with the window installers. They were also confident and competent enough to work in the vicinity of the meter box without the need to require disconnection which maintained our electricity supply. The quality of the finished stonework was very good and the lads were pleasant on site. All round good job and very satisfied, would easily recommend.
All Aspect Constuction
Rating: 5 out of 5
I have been a self employed builder for over 30 years and will undertake any form of building projects
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Latest review:
Extensions- 8 Feb 2021
Evan inspected a prefab home for me prior my purchase of it. He was able to advise on all aspects of the house, giving an overview of potential problems and approximate costs to fix. Evan spotted problems that I hadn't, which is exactly what I was after, for a very good price. I would definitely use Evan again once the purchase is complete as he covers all aspects of building maintenance. Many thanks.
JCM Installations Limited
Rating: 4.4 out of 5
JCM Installations Limited based in Southampton is a family-run local building company for 10 years+. We are helpful, considerate, clean, and tidy, and always strive to cause minimal disruption whilst producing a professional finish to your job. We specialise in: Building of single/double-storey extensions (groundworks, footings & drainage, roof installation, steelwork & removal of walls, double glazing, plastered finish with plumbing), Loft conversions, Kitchens, Fencing, Patios and more.
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Latest review:
Extensions- 13 Feb 2023
Porch looks nice but that’s all. First a positive - the guys that work for Justin were great and worked hard when they were here, but I never knew when they were coming and the project took 6 months which was far too long. Justin was always busy doing other things and didn’t turn up when he said he would so I had to keep chasing. The price also increased a lot but he blamed covid which was nonsense as he started in January 2022. Since the porch was finished barely 6 months ago, I’ve had water seeping through the wall so now the plaster is cracked and water marked and all Justin offered to do was put some silicone between the fascia/soffit and wall, and this took him a week to come and do. I then had an issue where water was leaking above the internal door - it turns out the condenser pipe and pressure relief from the boiler are above that door, but when the porch was built these were left in place and covered up with the plasterboard. I contacted Justin but all I received was rudeness, aggression, lies and blaming me for the problem and then he hung up on me. He offered to fix the issue but told me he’d charge me for it as it was my fault for telling him the pipes were redundant which is completely untrue. The design of the porch is good and it looks much better than the old one but I wouldn’t use Justin again
Phil Elmes Carpentry
Rating: 5 out of 5
I have 20years experience in the building industry. I am a professional and friendly builder who takes alot of pride in my work. I cover a wide range of work from my trade being a carpenter to plastering and general building. I am fully insured and offer a fully garanteed service.
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Latest review:
Phil did my kitchen, put some under the stairs storage, and decking in garden with a pegola. Also did the flooring in my front room. Very happy with the quality, it was really lovely. One of the cleanest work men I've ever had. I thought his prices were reasonable, Phil was reliable, absolutely. Would recommend him highly. He cleaned up after himself and I didn't have to do anything after he left. I was very pleased with him and would have him back again no problems.
MK Building Services
Rating: 5 out of 5
I'm a builder with over 25 years experience. I have experience with extensions, conversions, conservatories, fitted kitchens and bathrooms and all aspects of building. I can complete all to a high standard. All work is guaranteed and competitively priced.
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Latest review:
I couldn't be happier with Mark and the work he did for us. The quality of the work is outstanding and well worth what we paid. He was excellent throughout, took his time to lay out the details of the job exactly as we needed it and helped make decisions based on what we were asking for. In the end he has delivered a fantastic finish, all in time and without any complications. Thank you Mark, for making what could have been a difficult job both straightforward and cost effective.